in the terms of weird ass horror movies..

The Banana Splits Movie (otherwise known as a poor man's Five Night at Freddy's) ranks clear up there

for those wondering who or what The Banana Splits are:

"The Banana Splits -Tra la la (Orignial) with captions" (Watch on YouTube)

(the late 60s was a weird time for children's tv shows)

for more details:
https://en.wikipedia.org/wiki/The_Banana_Splits - the show
https://en.wikipedia.org/wiki/The_Banana_Splits_Movie - the horror movie